Clinical significance of zinc-finger E-box binding homeobox 1 mRNA levels in peritoneal washing for gastric cancer

  • Authors:
    • Norimitsu Yabusaki
    • Suguru Yamada
    • Toshifumi Murai
    • Mitsuro Kanda
    • Daisuke Kobayashi
    • Chie Tanaka
    • Tsutomu Fujii
    • Goro Nakayama
    • Hiroyuki Sugimoto
    • Masahiko Koike
    • Shuji Nomoto
    • Michitaka Fujiwara
    • Yasuhiro Kodera
  • View Affiliations

  • Published online on: November 20, 2014     https://doi.org/10.3892/mco.2014.462
  • Pages: 435-441
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Abstract

Zinc‑finger E‑box binding homeobox 1 (ZEB1) is an important regulator of epithelial‑to‑mesenchymal transition and is associated with various types of metastasis. Gastric cancer patients often develop peritoneal carcinomatosis, of which the detection of free cancer cells in the peritoneal washes is an important predictor. We analyzed the correlation of ZEB1 mRNA levels in the peritoneal washing (pZEB1) with clinicopathological variables and survival in 107 gastric cancer patients who underwent surgery and peritoneal washing cytology. Reverse transcription‑polymerase chain reaction was performed to quantify pZEB1. The patients were classified into the pZEB1High (n=27) and the pZEB1Low (n=80) groups based on their pZEB1 expression. pZEB1 was statistically correlated with pathological T stage (P=0.03) and vascular involvement (P=0.03). At 5 years, the disease‑specific survival was 36.4% for the pZEB1High group and 64.7% for the pZEB1Low group (P=0.02), whereas the disease‑free survival rate was 46.9% for the pZEB1High group and 83.0% for the pZEB1Low group (P=0.03). When subclassified into 4 categories based on washing cytology and pZEB1, survival was significantly lower in the pZEB1High compared to the pZEB1Low group (cytology‑negative group, P=0.01; cytology‑positive group, P=0.13). Therefore, pZEB1 may add valuable information to conventional peritoneal washing cytology as a prognostic determinant in gastric cancer.
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March-2015
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Spandidos Publications style
Yabusaki N, Yamada S, Murai T, Kanda M, Kobayashi D, Tanaka C, Fujii T, Nakayama G, Sugimoto H, Koike M, Koike M, et al: Clinical significance of zinc-finger E-box binding homeobox 1 mRNA levels in peritoneal washing for gastric cancer. Mol Clin Oncol 3: 435-441, 2015
APA
Yabusaki, N., Yamada, S., Murai, T., Kanda, M., Kobayashi, D., Tanaka, C. ... Kodera, Y. (2015). Clinical significance of zinc-finger E-box binding homeobox 1 mRNA levels in peritoneal washing for gastric cancer. Molecular and Clinical Oncology, 3, 435-441. https://doi.org/10.3892/mco.2014.462
MLA
Yabusaki, N., Yamada, S., Murai, T., Kanda, M., Kobayashi, D., Tanaka, C., Fujii, T., Nakayama, G., Sugimoto, H., Koike, M., Nomoto, S., Fujiwara, M., Kodera, Y."Clinical significance of zinc-finger E-box binding homeobox 1 mRNA levels in peritoneal washing for gastric cancer". Molecular and Clinical Oncology 3.2 (2015): 435-441.
Chicago
Yabusaki, N., Yamada, S., Murai, T., Kanda, M., Kobayashi, D., Tanaka, C., Fujii, T., Nakayama, G., Sugimoto, H., Koike, M., Nomoto, S., Fujiwara, M., Kodera, Y."Clinical significance of zinc-finger E-box binding homeobox 1 mRNA levels in peritoneal washing for gastric cancer". Molecular and Clinical Oncology 3, no. 2 (2015): 435-441. https://doi.org/10.3892/mco.2014.462